Motion vector prediction with reference frame consideration

Alexis Michael Tourapis; Feng Wu; Shipeng Li

doi:10.1117/12.507858

19 November 2003 Motion vector prediction with reference frame consideration

Alexis Michael Tourapis, Feng Wu, Shipeng Li

Proceedings Volume 5203, Applications of Digital Image Processing XXVI; (2003) https://doi.org/10.1117/12.507858
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

In this paper, we introduce a new motion vector prediction method that could be used within multiple picture reference codecs, such as the H.264 (MPEG-4 AVC) video coding standard. Our method considers for each candidate motion vector the temporal distance of its corresponding reference picture compared to the current one for the generation of the predictor motion vector. This allows for more accurate motion vector prediction, and better exploitation of the temporal correlation that may exist within a video sequence. Furthermore, we also introduce a modification to the SKIP motion vector macroblock mode, according to which not only the motion vectors but also the reference indices are adaptively generated. Simulation results suggest that our proposed methods, combined with an improved Rate Distortion optimization strategy, if implemented within the existing H.264 codec, can allow for a considerable performance improvement of up to 8.6% bitrate reduction compared to the current H.264 standard.

Citation Download Citation

Alexis Michael Tourapis, Feng Wu, and Shipeng Li "Motion vector prediction with reference frame consideration", Proc. SPIE 5203, Applications of Digital Image Processing XXVI, (19 November 2003); https://doi.org/10.1117/12.507858

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